Method for achieving indoor positioning of robot through image identification

An indoor positioning and image recognition technology, applied in character and pattern recognition, instrument, photo interpretation, etc., can solve the problems of easy to be blocked and interfered, low positioning accuracy, expensive erection cost, etc., to achieve low erection cost and improve resolution , the effect of easy machine vision integration

Inactive Publication Date: 2017-01-04
广东大仓机器人科技有限公司
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Problems solved by technology

[0004] For this reason, the technical problem to be solved by the present invention is that the method for indoor positioning of robots in the prior art has low positioning accuracy, is easily disturbed by occlusion, and is expensive to erect, so a method for indoor positioning of robots through image recognition is proposed

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  • Method for achieving indoor positioning of robot through image identification
  • Method for achieving indoor positioning of robot through image identification
  • Method for achieving indoor positioning of robot through image identification

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Embodiment Construction

[0049] Such as figure 1 As shown, a method for realizing indoor positioning of a robot by image recognition of the present invention comprises the following steps:

[0050] S1: Pre-position multiple street signs in the environment, obtain the positions and directions of multiple street signs, and install a vertical camera on the robot. In this embodiment, the positions and directions of the plurality of road signs are specified during installation or obtained through measurement after installation. A plurality of said street signs are street signs with white characters on a blue background.

[0051] S2: Obtain the environment image through the camera on the robot, and obtain the position and outline of the first characteristic road sign in the environment image. Such as figure 2 As shown, the step S2 specifically includes the following steps:

[0052] S21: if image 3 As shown in FIG. 2 , the two-dimensional histograms of the HS components of multiple street signs in the...

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Abstract

The invention discloses a method for achieving indoor positioning of a robot through image identification. Through a camera arranged on a mobile robot and through image identification technology, guideboards preset in an environment can be identified, and the position and direction of the robot can be determined by the position and direction of the guideboards. The precision can reach a centimeter level, the precision requirement for robot navigation is met, and the precision is not prone to be disturbed by a shield. No extra cost is needed on a common robot platform, and the robot platform only needs a camera for shooting the surrounding environment. Through improvement of the resolution ratio of the camera and adoption of a multiple positioning algorithm, the position precision can reach a millimeter level and the bearing precision is no more than one degree. The construction cost of a system is low, and the system has a high recognition rate of a blue-background white-character guideboard printed through a color printer. Printed guideboards are required in the environment and the position and direction of the guideboards are recorded to complete construction of the positioning system. Positioning based on guideboard identification conforms to the strategy of human navigation, and easily integrates a machine in vision.

Description

Technical field: [0001] The invention belongs to the technical field of robot R&D and manufacturing, and in particular relates to a method for realizing robot positioning through image recognition. Background technique: [0002] The birth of robots and the establishment and development of robotics is one of the most convincing achievements of automatic control in the 20th century, and it is a major achievement of human science and technology progress in the 20th century. Since the birth of robots in the 1960s, with the development of electronic technology, computer technology, signal processing and artificial intelligence technology, great progress has been made in just a few decades. From the first manipulator to the current large-scale automated production line, the wide application of robot technology in the industrial field has greatly improved production efficiency and achieved great success. With the development of robot technology, more and more robots with intellige...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C11/06G06K9/32
CPCG01C11/06G06V20/63
Inventor 胡昌
Owner 广东大仓机器人科技有限公司
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